143003401220 has 24 divisors (see below), whose sum is σ = 300406152984. Its totient is φ = 57182501376.

The previous prime is 143003401207. The next prime is 143003401223. The reversal of 143003401220 is 22104300341.

It can be written as a sum of positive squares in 4 ways, for example, as 26161121536 + 116842279684 = 161744^2 + 341822^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143003401192 and 143003401201.

It is not an unprimeable number, because it can be changed into a prime (143003401223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116437 + ... + 1237916.

It is an arithmetic number, because the mean of its divisors is an integer number (12516923041).

Almost surely, 2^143003401220 is an apocalyptic number.

143003401220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143003401220 is an abundant number, since it is smaller than the sum of its proper divisors (157402751764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143003401220 is a wasteful number, since it uses less digits than its factorization.

143003401220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357399 (or 2357397 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 143003401220 its reverse (22104300341), we get a palindrome (165107701561).

The spelling of 143003401220 in words is "one hundred forty-three billion, three million, four hundred one thousand, two hundred twenty".